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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.ssl__context"></a><a class="link" href="ssl__context.html" title="ssl::context">ssl::context</a>
</h3></div></div></div>
<p>
        <a class="indexterm" name="boost_asio.indexterm.ssl__context"></a>
      </p>
<pre class="programlisting">class context :
  public ssl::context_base,
  noncopyable
</pre>
<h5>
<a name="boost_asio.reference.ssl__context.h0"></a>
        <span class="phrase"><a name="boost_asio.reference.ssl__context.types"></a></span><a class="link" href="ssl__context.html#boost_asio.reference.ssl__context.types">Types</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/file_format.html" title="ssl::context::file_format"><span class="bold"><strong>file_format</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  File format types.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/method.html" title="ssl::context::method"><span class="bold"><strong>method</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Different methods supported by a context.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/native_handle_type.html" title="ssl::context::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  The native handle type of the SSL context.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/options.html" title="ssl::context::options"><span class="bold"><strong>options</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Bitmask type for SSL options.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/password_purpose.html" title="ssl::context::password_purpose"><span class="bold"><strong>password_purpose</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Purpose of PEM password.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ssl__context.h1"></a>
        <span class="phrase"><a name="boost_asio.reference.ssl__context.member_functions"></a></span><a class="link" href="ssl__context.html#boost_asio.reference.ssl__context.member_functions">Member
        Functions</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/add_certificate_authority.html" title="ssl::context::add_certificate_authority"><span class="bold"><strong>add_certificate_authority</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Add certification authority for performing verification.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/add_verify_path.html" title="ssl::context::add_verify_path"><span class="bold"><strong>add_verify_path</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Add a directory containing certificate authority files to be used
                  for performing verification.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/clear_options.html" title="ssl::context::clear_options"><span class="bold"><strong>clear_options</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Clear options on the context.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/context.html" title="ssl::context::context"><span class="bold"><strong>context</strong></span></a> <span class="silver">[constructor]</span>
                </p>
              </td>
<td>
                <p>
                  Constructor. <br> <span class="silver"> —</span><br> Construct to take ownership of a native
                  handle. <br> <span class="silver"> —</span><br> Move-construct a context from another.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/load_verify_file.html" title="ssl::context::load_verify_file"><span class="bold"><strong>load_verify_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Load a certification authority file for performing verification.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/native_handle.html" title="ssl::context::native_handle"><span class="bold"><strong>native_handle</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Get the underlying implementation in the native type.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/operator_eq_.html" title="ssl::context::operator="><span class="bold"><strong>operator=</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Move-assign a context from another.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_default_verify_paths.html" title="ssl::context::set_default_verify_paths"><span class="bold"><strong>set_default_verify_paths</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Configures the context to use the default directories for finding
                  certification authority certificates.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_options.html" title="ssl::context::set_options"><span class="bold"><strong>set_options</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Set options on the context.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_password_callback.html" title="ssl::context::set_password_callback"><span class="bold"><strong>set_password_callback</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Set the password callback.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_verify_callback.html" title="ssl::context::set_verify_callback"><span class="bold"><strong>set_verify_callback</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Set the callback used to verify peer certificates.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_verify_depth.html" title="ssl::context::set_verify_depth"><span class="bold"><strong>set_verify_depth</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Set the peer verification depth.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/set_verify_mode.html" title="ssl::context::set_verify_mode"><span class="bold"><strong>set_verify_mode</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Set the peer verification mode.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_certificate.html" title="ssl::context::use_certificate"><span class="bold"><strong>use_certificate</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a certificate from a memory buffer.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_certificate_chain.html" title="ssl::context::use_certificate_chain"><span class="bold"><strong>use_certificate_chain</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a certificate chain from a memory buffer.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_certificate_chain_file.html" title="ssl::context::use_certificate_chain_file"><span class="bold"><strong>use_certificate_chain_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a certificate chain from a file.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_certificate_file.html" title="ssl::context::use_certificate_file"><span class="bold"><strong>use_certificate_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a certificate from a file.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_private_key.html" title="ssl::context::use_private_key"><span class="bold"><strong>use_private_key</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a private key from a memory buffer.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_private_key_file.html" title="ssl::context::use_private_key_file"><span class="bold"><strong>use_private_key_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use a private key from a file.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_rsa_private_key.html" title="ssl::context::use_rsa_private_key"><span class="bold"><strong>use_rsa_private_key</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use an RSA private key from a memory buffer.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_rsa_private_key_file.html" title="ssl::context::use_rsa_private_key_file"><span class="bold"><strong>use_rsa_private_key_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use an RSA private key from a file.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_tmp_dh.html" title="ssl::context::use_tmp_dh"><span class="bold"><strong>use_tmp_dh</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use the specified memory buffer to obtain the temporary Diffie-Hellman
                  parameters.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/use_tmp_dh_file.html" title="ssl::context::use_tmp_dh_file"><span class="bold"><strong>use_tmp_dh_file</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Use the specified file to obtain the temporary Diffie-Hellman parameters.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/_context.html" title="ssl::context::~context"><span class="bold"><strong>~context</strong></span></a> <span class="silver">[destructor]</span>
                </p>
              </td>
<td>
                <p>
                  Destructor.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ssl__context.h2"></a>
        <span class="phrase"><a name="boost_asio.reference.ssl__context.data_members"></a></span><a class="link" href="ssl__context.html#boost_asio.reference.ssl__context.data_members">Data
        Members</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/default_workarounds.html" title="ssl::context::default_workarounds"><span class="bold"><strong>default_workarounds</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Implement various bug workarounds.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_compression.html" title="ssl::context::no_compression"><span class="bold"><strong>no_compression</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable compression. Compression is disabled by default.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_sslv2.html" title="ssl::context::no_sslv2"><span class="bold"><strong>no_sslv2</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable SSL v2.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_sslv3.html" title="ssl::context::no_sslv3"><span class="bold"><strong>no_sslv3</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable SSL v3.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_tlsv1.html" title="ssl::context::no_tlsv1"><span class="bold"><strong>no_tlsv1</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable TLS v1.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_tlsv1_1.html" title="ssl::context::no_tlsv1_1"><span class="bold"><strong>no_tlsv1_1</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable TLS v1.1.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_tlsv1_2.html" title="ssl::context::no_tlsv1_2"><span class="bold"><strong>no_tlsv1_2</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable TLS v1.2.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/no_tlsv1_3.html" title="ssl::context::no_tlsv1_3"><span class="bold"><strong>no_tlsv1_3</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Disable TLS v1.3.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="ssl__context/single_dh_use.html" title="ssl::context::single_dh_use"><span class="bold"><strong>single_dh_use</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  Always create a new key when using tmp_dh parameters.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ssl__context.h3"></a>
        <span class="phrase"><a name="boost_asio.reference.ssl__context.requirements"></a></span><a class="link" href="ssl__context.html#boost_asio.reference.ssl__context.requirements">Requirements</a>
      </h5>
<p>
        <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ssl/context.hpp</code>
      </p>
<p>
        <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio/ssl.hpp</code>
      </p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
      M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
</div></td>
</tr></table>
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